发明名称 |
Polyvinyl alcohol polymer film, method of producing the same and polarization film |
摘要 |
Difference in retardation between two points separated by 1 cm along the TD direction of a polyvinyl alcohol polymer film 6 is 5 nm or less. The length of a surface for drying a polyvinyl alcohol polymer film 6 is 3 m to 200 m, and the water content of the polyvinyl alcohol polymer film 6 when peeled after passing through the drying surface is 50% by weight or less, in film formation.
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申请公布号 |
US2001039319(A1) |
申请公布日期 |
2001.11.08 |
申请号 |
US20010845271 |
申请日期 |
2001.05.01 |
申请人 |
KURARAY CO., LTD. |
发明人 |
HARITA SHIGEYUKI;ISOZAKI TAKANORI |
分类号 |
C08J5/18;(IPC1-7):C08F118/02;B29C47/00;D01F1/00 |
主分类号 |
C08J5/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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